/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef INCLUDED_SC_INC_SHAREDFORMULA_HXX #define INCLUDED_SC_INC_SHAREDFORMULA_HXX #include "formulacell.hxx" #include "mtvelements.hxx" #include #define USE_FORMULA_GROUP_LISTENER 1 namespace sc { class StartListeningContext; class SharedFormulaUtil { public: /** * Group formula cells stored in the passed container. The formula cells * in the container are assumed to be all non-shared. */ template static void groupFormulaCells(const Iter& itBeg, const Iter& itEnd) { Iter it = itBeg; ScFormulaCell* pPrev = *it; ScFormulaCell* pCur = nullptr; for (++it; it != itEnd; ++it, pPrev = pCur) { pCur = *it; ScFormulaCell::CompareState eState = pCur->CompareByTokenArray(*pPrev); if (eState == ScFormulaCell::NotEqual) continue; ScFormulaCellGroupRef xGroup = pPrev->GetCellGroup(); if (xGroup) { // Extend the group. ++xGroup->mnLength; pCur->SetCellGroup(xGroup); continue; } // Create a new group. xGroup = pPrev->CreateCellGroup(2, eState == ScFormulaCell::EqualInvariant); pCur->SetCellGroup(xGroup); } } /** Get shared formula top cell from position, if any, else nullptr. */ static const ScFormulaCell* getSharedTopFormulaCell(const CellStoreType::position_type& aPos); /** * Split existing shared formula range at specified position. The cell at * specified position becomes the top cell of the lower shared formula * range after this call. This method does nothing if the cell at * specified position is not a formula cell. * * @param aPos position of cell to examine. * @param pCxt context to be used, if any, may be nullptr. * * @return TRUE if there indeed was a split, else FALSE (e.g. split * position was top or bottom cell or no formula group). */ static bool splitFormulaCellGroup(const CellStoreType::position_type& aPos, sc::EndListeningContext* pCxt); /** * Split existing shared formula ranges at specified row positions. * * @param rCells cell storage container * @param rBounds row positions at which to split existing shared formula * ranges. Note that this method will directly modify this * parameter to sort and remove duplicates. * * @return TRUE if there indeed was a split, else FALSE (e.g. split * positions were only top or bottom cells or no formula group). */ static bool splitFormulaCellGroups(CellStoreType& rCells, std::vector& rBounds); /** * See if two specified adjacent formula cells can be merged, and if they * can, merge them into the same group. * * @param rPos position object of the first cell * @param rCell1 first cell * @param rCell2 second cell located immediately below the first cell. * * @return true if the cells are merged, false otherwise. If the two * cells already belong to the same group, it returns false. */ static bool joinFormulaCells( const CellStoreType::position_type& rPos, ScFormulaCell& rCell1, ScFormulaCell& rCell2 ); /** * Merge with an existing formula group (if any) located immediately above * if the cell at specified position is a formula cell, and its formula * tokens are identical to that of the above formula group. * * @param aPos position of cell to examine. * * @return true if the cells are merged, false otherwise. If the two * cells already belong to the same group, it returns false. */ static bool joinFormulaCellAbove( const CellStoreType::position_type& aPos ); /** * Turn a shared formula cell into a non-shared one, and split it off from * the adjacent formula cell groups. * * @param aPos position of cell to examine * @param rCell formula cell instance */ static void unshareFormulaCell(const CellStoreType::position_type& aPos, ScFormulaCell& rCell); /** * Make specified formula cells non-shared ones, and split them off from * their respective adjacent formula cell groups. * * @param rCells cell storage container * @param rRows row positions at which to unshare formula cells. */ static void unshareFormulaCells(CellStoreType& rCells, std::vector& rRows); /** * Have all formula cells belonging to a group start listening to their * references. * * @param rCxt context object. * @param ppSharedTop memory position of the pointer of the topmost * formula cell instance in the cell storage. The * caller is responsible for ensuring that it is indeed * the topmost cell of a shared formula group. */ static void startListeningAsGroup( StartListeningContext& rCxt, ScFormulaCell** ppSharedTop ); }; } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ LibreOffice 核心代码仓库文档基金会

path: root/i18npool/Rdb_saxparser.mk

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